1
Michael Livshiz, Joseph Robert Dulzo, Onassis Matthews, Donovan L Dibble, Alfred E Spitza Jr, Scott Joseph Chynoweth: Torque estimator for engine RPM and torque control. General Motors Corporation, Christopher DeVries, March 9, 2004: US06704638 (76 worldwide citation)

An engine toque estimator according to the invention includes a vehicle data bus that provides a plurality of engine operating inputs including at least one of engine RPM, spark and a dilution estimate. A steady state torque estimator communicates with the vehicle data bus and generates a steady sta ...


2
Michael Livshiz, Douglas J Babcock, Jeffrey M Kaiser, Christopher E Whitney, Per Andersson, Magnus Johansson: Engine torque control with desired state estimation. Harness Dickey & Pierce, November 10, 2009: US07614384 (58 worldwide citation)

An engine control system comprises a predicted airflow module, a first actuator determination module, a first desired air module, and an actuator position module. The predicted airflow module determines a predicted engine airflow based on a desired torque. The first actuator determination module det ...


3
Michael Livshiz, Scott J Chynoweth, Jeffrey M Kaiser, Richard H Clutz, Donovan L Dibble, Bahram Younessi: Coordinated engine torque control. General Motors Corporation, Christopher DeVries, April 4, 2006: US07021282 (47 worldwide citation)

A torque control system for regulating operation of an engine includes a throttle that regulates air flow into the engine and a device that regulates a torque output of the engine. A first module determines a throttle area based on a desired manifold absolute pressure (MAP) and a desired manifold ai ...


4
Michael Livshiz, Jeffrey M Kaiser, Bahram Younessi, Richard B Jess, Richard H Clutz: Engine torque control at high pressure ratio. GM Global Technology Operations, October 7, 2008: US07433775 (38 worldwide citation)

A method of controlling a torque output of an internal combustion engine includes determining a pressure ratio, determining a reference torque based on the pressure ratio and a torque request, calculating a desired throttle area based on the reference torque and regulating operation of the engine ba ...


5
Michael Livshiz, Scott J Chynoweth: Engine torque control with desired state estimation. General Motors Corporation, Christopher DeVries, January 11, 2005: US06840215 (36 worldwide citation)

An engine control system and method according to the invention controls torque in an internal combustion engine. Engine parameters are measured and an engine torque is estimated. A desired air per cylinder of the engine is calculated. A desired manifold absolute pressure of a manifold of the engine ...


6
Michael Livshiz, Douglas J Babcock, Joseph R Dulzo, Emil Ritzen, Anne E Vondracek, Lennarth Zander: Torque control of turbocharged engine. GM Global Technology Operations, July 1, 2008: US07395147 (35 worldwide citation)

An engine system includes an engine having an intake manifold and a turbocharger that supplies compressed air to the intake manifold. An engine control module calculates a desired pre-throttle pressure of air before the throttle and calculates a desired manifold air flow into the engine. The engine ...


7
Michael Livshiz, Jeffrey M Kaiser, Christopher R Graham, Christopher E Whitney, Robert Francis Semrau, Brian D Francis: Multi-pulse spark ignition direct injection torque based system. February 8, 2011: US07885756 (32 worldwide citation)

A control system is provided and includes a catalyst module that generates a multi-mode enable signal based on a catalyst light off enable signal. A transition control module controls transitions between a single pulse mode and multi-pulse mode based on the multi-mode enable signal. The transition c ...


8
Michael Livshiz, Jeffrey M Kaiser, Timothy M Karnjate: Coordinated torque control security systems and methods. February 10, 2015: US08954257 (30 worldwide citation)

A control system for an engine includes a selecting module, a target air per cylinder (APC) module, and a phaser scheduling module. The selecting module: selects one of (a) target intake and exhaust cam phaser angles and (b) measured intake and exhaust cam phaser angles; and sets selected intake and ...


9
Michael Livshiz, Scott J Chynoweth, Todd R Shupe, Christopher E Whitney, Robert C Simon Jr, Vivek Mehta, Ning Jin: RPM to torque transition control. February 14, 2012: US08116954 (30 worldwide citation)

An engine control module comprises a torque control module, an engine speed (RPM) control module, and an actuator module. The torque control module determines a first desired torque based on a requested torque. The RPM control module selectively determines a second desired torque based on a desired ...


10
Michael Livshiz, Jeffrey M Kaiser, Timothy M Karnjate, Christopher E Whitney, Timothy J Hartrey, Gregory J York: Coordinated engine torque control. GM Global Technology Operations, November 3, 2015: US09175628 (29 worldwide citation)

A control system for an engine includes a target air per cylinder (APC) module, a target area module, and a phaser scheduling module. The target APC module determines a target APC based on a target spark timing, a target intake cam phaser angle, and a target exhaust cam phaser angle. The target area ...